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web/vendor/symfony/validator/Constraints/GroupSequence.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Validator\Constraints;
+
+use Symfony\Component\Validator\Exception\OutOfBoundsException;
+
+/**
+ * A sequence of validation groups.
+ *
+ * When validating a group sequence, each group will only be validated if all
+ * of the previous groups in the sequence succeeded. For example:
+ *
+ *     $validator->validate($address, null, new GroupSequence(array('Basic', 'Strict')));
+ *
+ * In the first step, all constraints that belong to the group "Basic" will be
+ * validated. If none of the constraints fail, the validator will then validate
+ * the constraints in group "Strict". This is useful, for example, if "Strict"
+ * contains expensive checks that require a lot of CPU or slow, external
+ * services. You usually don't want to run expensive checks if any of the cheap
+ * checks fail.
+ *
+ * When adding metadata to a class, you can override the "Default" group of
+ * that class with a group sequence:
+ *
+ *     /**
+ *      * @GroupSequence({"Address", "Strict"})
+ *      *\/
+ *     class Address
+ *     {
+ *         // ...
+ *     }
+ *
+ * Whenever you validate that object in the "Default" group, the group sequence
+ * will be validated:
+ *
+ *     $validator->validate($address);
+ *
+ * If you want to execute the constraints of the "Default" group for a class
+ * with an overridden default group, pass the class name as group name instead:
+ *
+ *     $validator->validate($address, null, "Address")
+ *
+ * @Annotation
+ * @Target({"CLASS", "ANNOTATION"})
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * Implementing \ArrayAccess, \IteratorAggregate and \Countable is @deprecated since 2.5 and will be removed in 3.0.
+ */
+class GroupSequence implements \ArrayAccess, \IteratorAggregate, \Countable
+{
+    /**
+     * The groups in the sequence.
+     *
+     * @var string[]|GroupSequence[]
+     */
+    public $groups;
+
+    /**
+     * The group in which cascaded objects are validated when validating
+     * this sequence.
+     *
+     * By default, cascaded objects are validated in each of the groups of
+     * the sequence.
+     *
+     * If a class has a group sequence attached, that sequence replaces the
+     * "Default" group. When validating that class in the "Default" group, the
+     * group sequence is used instead, but still the "Default" group should be
+     * cascaded to other objects.
+     *
+     * @var string|GroupSequence
+     */
+    public $cascadedGroup;
+
+    /**
+     * Creates a new group sequence.
+     *
+     * @param string[] $groups The groups in the sequence
+     */
+    public function __construct(array $groups)
+    {
+        // Support for Doctrine annotations
+        $this->groups = isset($groups['value']) ? $groups['value'] : $groups;
+    }
+
+    /**
+     * Returns an iterator for this group.
+     *
+     * Implemented for backwards compatibility with Symfony < 2.5.
+     *
+     * @return \Traversable The iterator
+     *
+     * @see \IteratorAggregate::getIterator()
+     * @deprecated since version 2.5, to be removed in 3.0.
+     */
+    public function getIterator()
+    {
+        @trigger_error('The '.__METHOD__.' method is deprecated since version 2.5 and will be removed in 3.0.', E_USER_DEPRECATED);
+
+        return new \ArrayIterator($this->groups);
+    }
+
+    /**
+     * Returns whether the given offset exists in the sequence.
+     *
+     * Implemented for backwards compatibility with Symfony < 2.5.
+     *
+     * @param int $offset The offset
+     *
+     * @return bool Whether the offset exists
+     *
+     * @deprecated since version 2.5, to be removed in 3.0.
+     */
+    public function offsetExists($offset)
+    {
+        @trigger_error('The '.__METHOD__.' method is deprecated since version 2.5 and will be removed in 3.0.', E_USER_DEPRECATED);
+
+        return isset($this->groups[$offset]);
+    }
+
+    /**
+     * Returns the group at the given offset.
+     *
+     * Implemented for backwards compatibility with Symfony < 2.5.
+     *
+     * @param int $offset The offset
+     *
+     * @return string The group a the given offset
+     *
+     * @throws OutOfBoundsException If the object does not exist
+     *
+     * @deprecated since version 2.5, to be removed in 3.0.
+     */
+    public function offsetGet($offset)
+    {
+        @trigger_error('The '.__METHOD__.' method is deprecated since version 2.5 and will be removed in 3.0.', E_USER_DEPRECATED);
+
+        if (!isset($this->groups[$offset])) {
+            throw new OutOfBoundsException(sprintf(
+                'The offset "%s" does not exist.',
+                $offset
+            ));
+        }
+
+        return $this->groups[$offset];
+    }
+
+    /**
+     * Sets the group at the given offset.
+     *
+     * Implemented for backwards compatibility with Symfony < 2.5.
+     *
+     * @param int    $offset The offset
+     * @param string $value  The group name
+     *
+     * @deprecated since version 2.5, to be removed in 3.0.
+     */
+    public function offsetSet($offset, $value)
+    {
+        @trigger_error('The '.__METHOD__.' method is deprecated since version 2.5 and will be removed in 3.0.', E_USER_DEPRECATED);
+
+        if (null !== $offset) {
+            $this->groups[$offset] = $value;
+
+            return;
+        }
+
+        $this->groups[] = $value;
+    }
+
+    /**
+     * Removes the group at the given offset.
+     *
+     * Implemented for backwards compatibility with Symfony < 2.5.
+     *
+     * @param int $offset The offset
+     *
+     * @deprecated since version 2.5, to be removed in 3.0.
+     */
+    public function offsetUnset($offset)
+    {
+        @trigger_error('The '.__METHOD__.' method is deprecated since version 2.5 and will be removed in 3.0.', E_USER_DEPRECATED);
+
+        unset($this->groups[$offset]);
+    }
+
+    /**
+     * Returns the number of groups in the sequence.
+     *
+     * Implemented for backwards compatibility with Symfony < 2.5.
+     *
+     * @return int The number of groups
+     *
+     * @deprecated since version 2.5, to be removed in 3.0.
+     */
+    public function count()
+    {
+        @trigger_error('The '.__METHOD__.' method is deprecated since version 2.5 and will be removed in 3.0.', E_USER_DEPRECATED);
+
+        return count($this->groups);
+    }
+}